https://undergradresearch.gatech.edu/sites/default/files/webform/research_option_proposal_upload/_sid_/talk-to-a-real-united-airlines-support-agent-in-the-usa-%E2%80%93-quick-steps%20%282%29.pdf https://undergradresearch.gatech.edu/sites/default/files/webform/research_option_proposal_upload/_sid_/easiest-way-to-get-through-to-a-live-united-airlines-representative-usa.pdf https://undergradresearch.gatech.edu/sites/default/files/webform/research_option_proposal_upload/_sid_/talk-to-a-real-united-airlines-support-agent-in-the-usa-%E2%80%93-quick-steps%20%282%29.pdf https://undergradresearch.gatech.edu/sites/default/files/webform/research_option_proposal_upload/_sid_/easiest-way-to-get-through-to-a-live-united-airlines-representative-usa.pdf